Segmentation-based detection of allelic imbalance and loss-of-heterozygosity in cancer cells using whole genome SNP arrays.

Segmentation-based detection of allelic imbalance and loss-of-heterozygosity in cancer cells using whole genome SNP arrays.
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DOI:
10.1186/gb-2008-9-9-r136
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发表时间:
2008
期刊:
影响因子:
12.3
通讯作者:
Ringner, Markus
Ringner, Markus
中科院分区:
生物学1区
文献类型:
--
作者:
Staaf, Johan;Lindgren, David;Vallon-Christersson, Johan;Isaksson, Anders;Goransson, Hanna;Juliusson, Gunnar;Rosenquist, Richard;Hoglund, Mattias;Borg, Ake;Ringner, Markus

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A strategy is presented for detection of loss-of-heterozygosity and allelic imbalance in cancer cells from whole genome SNP genotyping data. We present a strategy for detection of loss-of-heterozygosity and allelic imbalance in cancer cells from whole genome single nucleotide polymorphism genotyping data. Using a dilution series of a tumor cell line mixed with its paired normal cell line and data generated on Affymetrix and Illumina platforms, including paired tumor-normal samples and tumors characterized by fluorescent in situ hybridization, we demonstrate a high sensitivity and specificity of the strategy for detecting both minute and gross allelic imbalances in heterogeneous tumor samples.
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